/*
 * 版权所有 (C) 2015 知启蒙(ZHIQIM) 保留所有权利。[遇见知启蒙，邂逅框架梦]
 * 
 * https://zhiqim.org/project/zhiqim_framework/zhiqim_kernel.htm
 *
 * Zhiqim Kernel is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */
package org.zhiqim.kernel.enumerated;

/**
 * 字母大小写枚举类型
 *
 * @version v1.0.0 @author zhichenggang 2017-3-25 新建与整理
 */
public enum LetterCase
{
    /*****************************************************************************/
    //枚举类型定义
    /*****************************************************************************/
    
    /** 大写 */
    UPPER,
    
    /** 小写 */
    LOWER;
    
    /*****************************************************************************/
    //枚举调用方法
    /*****************************************************************************/
    
    public String toCase(String s)
    {
        return (s == null)?null:(this == UPPER)?s.toUpperCase():s.toLowerCase();
    }
    
    public String toCase(String s, LetterCase defaultCase)
    {
        return (s == null || this == defaultCase)?s:(this == UPPER)?s.toUpperCase():s.toLowerCase();
    }
}
